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Finding the Fourth Proportional to 162,347.59, 224,040.50 and 90,728.81

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Solution

The fourth proportional to 162,347.59, 224,040.50 and 90,728.81 is: 125,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,347.59 : 224,040.50 = 90,728.81 : x
  2. Step 2: Convert to fraction form
    162,347.59/224,040.50 = 90,728.81/x
  3. Step 3: Cross multiply
    162,347.59x = 224,040.50 × 90,728.81
  4. Step 4: Simplify right side
    162,347.59x = 20,326,927,563.34
  5. Step 5: Solve for x
    x = 20,326,927,563.34/162,347.59
  6. Step 6: Final answer
    x = 125,206.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.