Home / 145,459.76-218,164.92-40,254.14

Finding the Fourth Proportional to 145,459.76, 218,164.92 and 40,254.14

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Solution

The fourth proportional to 145,459.76, 218,164.92 and 40,254.14 is: 60,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,459.76 : 218,164.92 = 40,254.14 : x
  2. Step 2: Convert to fraction form
    145,459.76/218,164.92 = 40,254.14/x
  3. Step 3: Cross multiply
    145,459.76x = 218,164.92 × 40,254.14
  4. Step 4: Simplify right side
    145,459.76x = 8,782,041,232.77
  5. Step 5: Solve for x
    x = 8,782,041,232.77/145,459.76
  6. Step 6: Final answer
    x = 60,374.37

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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.