Home / 156,897.64-235,272.54-56,987.38

Finding the Fourth Proportional to 156,897.64, 235,272.54 and 56,987.38

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Solution

The fourth proportional to 156,897.64, 235,272.54 and 56,987.38 is: 85,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,897.64 : 235,272.54 = 56,987.38 : x
  2. Step 2: Convert to fraction form
    156,897.64/235,272.54 = 56,987.38/x
  3. Step 3: Cross multiply
    156,897.64x = 235,272.54 × 56,987.38
  4. Step 4: Simplify right side
    156,897.64x = 13,407,565,640.55
  5. Step 5: Solve for x
    x = 13,407,565,640.55/156,897.64
  6. Step 6: Final answer
    x = 85,454.22

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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.