Home / 189,377.28-284,444.10-118,426.14

Finding the Fourth Proportional to 189,377.28, 284,444.10 and 118,426.14

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Solution

The fourth proportional to 189,377.28, 284,444.10 and 118,426.14 is: 177,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,377.28 : 284,444.10 = 118,426.14 : x
  2. Step 2: Convert to fraction form
    189,377.28/284,444.10 = 118,426.14/x
  3. Step 3: Cross multiply
    189,377.28x = 284,444.10 × 118,426.14
  4. Step 4: Simplify right side
    189,377.28x = 33,685,616,808.77
  5. Step 5: Solve for x
    x = 33,685,616,808.77/189,377.28
  6. Step 6: Final answer
    x = 177,875.70

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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.