Home / 145,237.46-217,856.34-45,398.18

Finding the Fourth Proportional to 145,237.46, 217,856.34 and 45,398.18

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Solution

The fourth proportional to 145,237.46, 217,856.34 and 45,398.18 is: 68,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,237.46 : 217,856.34 = 45,398.18 : x
  2. Step 2: Convert to fraction form
    145,237.46/217,856.34 = 45,398.18/x
  3. Step 3: Cross multiply
    145,237.46x = 217,856.34 × 45,398.18
  4. Step 4: Simplify right side
    145,237.46x = 9,890,281,337.46
  5. Step 5: Solve for x
    x = 9,890,281,337.46/145,237.46
  6. Step 6: Final answer
    x = 68,097.32

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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.