Home / 102,488.58-153,557.91-55,657.62

Finding the Fourth Proportional to 102,488.58, 153,557.91 and 55,657.62

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Solution

The fourth proportional to 102,488.58, 153,557.91 and 55,657.62 is: 83,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,488.58 : 153,557.91 = 55,657.62 : x
  2. Step 2: Convert to fraction form
    102,488.58/153,557.91 = 55,657.62/x
  3. Step 3: Cross multiply
    102,488.58x = 153,557.91 × 55,657.62
  4. Step 4: Simplify right side
    102,488.58x = 8,546,667,802.77
  5. Step 5: Solve for x
    x = 8,546,667,802.77/102,488.58
  6. Step 6: Final answer
    x = 83,391.42

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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.