Home / 155,347.79-233,035.02-66,580.20

Finding the Fourth Proportional to 155,347.79, 233,035.02 and 66,580.20

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Solution

The fourth proportional to 155,347.79, 233,035.02 and 66,580.20 is: 99,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,347.79 : 233,035.02 = 66,580.20 : x
  2. Step 2: Convert to fraction form
    155,347.79/233,035.02 = 66,580.20/x
  3. Step 3: Cross multiply
    155,347.79x = 233,035.02 × 66,580.20
  4. Step 4: Simplify right side
    155,347.79x = 15,515,518,238.60
  5. Step 5: Solve for x
    x = 15,515,518,238.60/155,347.79
  6. Step 6: Final answer
    x = 99,876.02

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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.