Home / 181,639.52-272,459.04-56,990.24

Finding the Fourth Proportional to 181,639.52, 272,459.04 and 56,990.24

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Solution

The fourth proportional to 181,639.52, 272,459.04 and 56,990.24 is: 85,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,639.52 : 272,459.04 = 56,990.24 : x
  2. Step 2: Convert to fraction form
    181,639.52/272,459.04 = 56,990.24/x
  3. Step 3: Cross multiply
    181,639.52x = 272,459.04 × 56,990.24
  4. Step 4: Simplify right side
    181,639.52x = 15,527,506,079.77
  5. Step 5: Solve for x
    x = 15,527,506,079.77/181,639.52
  6. Step 6: Final answer
    x = 85,485.28

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1.5x scale

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.