Home / 145,624.64-218,437.04-40,443.62

Finding the Fourth Proportional to 145,624.64, 218,437.04 and 40,443.62

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Solution

The fourth proportional to 145,624.64, 218,437.04 and 40,443.62 is: 60,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,624.64 : 218,437.04 = 40,443.62 : x
  2. Step 2: Convert to fraction form
    145,624.64/218,437.04 = 40,443.62/x
  3. Step 3: Cross multiply
    145,624.64x = 218,437.04 × 40,443.62
  4. Step 4: Simplify right side
    145,624.64x = 8,834,384,639.68
  5. Step 5: Solve for x
    x = 8,834,384,639.68/145,624.64
  6. Step 6: Final answer
    x = 60,665.45

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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.