Home / 156,130.86-234,169.65-56,271.18

Finding the Fourth Proportional to 156,130.86, 234,169.65 and 56,271.18

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Solution

The fourth proportional to 156,130.86, 234,169.65 and 56,271.18 is: 84,397.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,130.86 : 234,169.65 = 56,271.18 : x
  2. Step 2: Convert to fraction form
    156,130.86/234,169.65 = 56,271.18/x
  3. Step 3: Cross multiply
    156,130.86x = 234,169.65 × 56,271.18
  4. Step 4: Simplify right side
    156,130.86x = 13,177,002,525.69
  5. Step 5: Solve for x
    x = 13,177,002,525.69/156,130.86
  6. Step 6: Final answer
    x = 84,397.17

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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.