Home / 189,400.04-284,088.96-71,061.52

Finding the Fourth Proportional to 189,400.04, 284,088.96 and 71,061.52

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Solution

The fourth proportional to 189,400.04, 284,088.96 and 71,061.52 is: 106,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,400.04 : 284,088.96 = 71,061.52 : x
  2. Step 2: Convert to fraction form
    189,400.04/284,088.96 = 71,061.52/x
  3. Step 3: Cross multiply
    189,400.04x = 284,088.96 × 71,061.52
  4. Step 4: Simplify right side
    189,400.04x = 20,187,793,312.82
  5. Step 5: Solve for x
    x = 20,187,793,312.82/189,400.04
  6. Step 6: Final answer
    x = 106,588.12

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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.