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Finding the Fourth Proportional to 155,510.70, 233,266.05 and 66,749.10

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Solution

The fourth proportional to 155,510.70, 233,266.05 and 66,749.10 is: 100,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,510.70 : 233,266.05 = 66,749.10 : x
  2. Step 2: Convert to fraction form
    155,510.70/233,266.05 = 66,749.10/x
  3. Step 3: Cross multiply
    155,510.70x = 233,266.05 × 66,749.10
  4. Step 4: Simplify right side
    155,510.70x = 15,570,298,898.06
  5. Step 5: Solve for x
    x = 15,570,298,898.06/155,510.70
  6. Step 6: Final answer
    x = 100,123.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.