Home / 191,226.02-286,828.08-72,909.32

Finding the Fourth Proportional to 191,226.02, 286,828.08 and 72,909.32

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Solution

The fourth proportional to 191,226.02, 286,828.08 and 72,909.32 is: 109,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,226.02 : 286,828.08 = 72,909.32 : x
  2. Step 2: Convert to fraction form
    191,226.02/286,828.08 = 72,909.32/x
  3. Step 3: Cross multiply
    191,226.02x = 286,828.08 × 72,909.32
  4. Step 4: Simplify right side
    191,226.02x = 20,912,440,269.71
  5. Step 5: Solve for x
    x = 20,912,440,269.71/191,226.02
  6. Step 6: Final answer
    x = 109,359.81

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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.