Home / 145,036.92-217,555.45-45,205.17

Finding the Fourth Proportional to 145,036.92, 217,555.45 and 45,205.17

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Solution

The fourth proportional to 145,036.92, 217,555.45 and 45,205.17 is: 67,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,036.92 : 217,555.45 = 45,205.17 : x
  2. Step 2: Convert to fraction form
    145,036.92/217,555.45 = 45,205.17/x
  3. Step 3: Cross multiply
    145,036.92x = 217,555.45 × 45,205.17
  4. Step 4: Simplify right side
    145,036.92x = 9,834,630,172.83
  5. Step 5: Solve for x
    x = 9,834,630,172.83/145,036.92
  6. Step 6: Final answer
    x = 67,807.77

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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.