Home / 156,767.04-235,155.05-38,438.32

Finding the Fourth Proportional to 156,767.04, 235,155.05 and 38,438.32

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Solution

The fourth proportional to 156,767.04, 235,155.05 and 38,438.32 is: 57,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,767.04 : 235,155.05 = 38,438.32 : x
  2. Step 2: Convert to fraction form
    156,767.04/235,155.05 = 38,438.32/x
  3. Step 3: Cross multiply
    156,767.04x = 235,155.05 × 38,438.32
  4. Step 4: Simplify right side
    156,767.04x = 9,038,965,061.52
  5. Step 5: Solve for x
    x = 9,038,965,061.52/156,767.04
  6. Step 6: Final answer
    x = 57,658.58

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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.