Home / 156,068.42-234,109.30-61,319.12

Finding the Fourth Proportional to 156,068.42, 234,109.30 and 61,319.12

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Solution

The fourth proportional to 156,068.42, 234,109.30 and 61,319.12 is: 91,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,068.42 : 234,109.30 = 61,319.12 : x
  2. Step 2: Convert to fraction form
    156,068.42/234,109.30 = 61,319.12/x
  3. Step 3: Cross multiply
    156,068.42x = 234,109.30 × 61,319.12
  4. Step 4: Simplify right side
    156,068.42x = 14,355,376,259.82
  5. Step 5: Solve for x
    x = 14,355,376,259.82/156,068.42
  6. Step 6: Final answer
    x = 91,981.30

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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.