Home / 156,895.38-235,341.05-38,567.75

Finding the Fourth Proportional to 156,895.38, 235,341.05 and 38,567.75

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Solution

The fourth proportional to 156,895.38, 235,341.05 and 38,567.75 is: 57,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,895.38 : 235,341.05 = 38,567.75 : x
  2. Step 2: Convert to fraction form
    156,895.38/235,341.05 = 38,567.75/x
  3. Step 3: Cross multiply
    156,895.38x = 235,341.05 × 38,567.75
  4. Step 4: Simplify right side
    156,895.38x = 9,076,573,411.59
  5. Step 5: Solve for x
    x = 9,076,573,411.59/156,895.38
  6. Step 6: Final answer
    x = 57,851.12

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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.