Home / 102,555.70-153,833.55-58,165.30

Finding the Fourth Proportional to 102,555.70, 153,833.55 and 58,165.30

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Solution

The fourth proportional to 102,555.70, 153,833.55 and 58,165.30 is: 87,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,555.70 : 153,833.55 = 58,165.30 : x
  2. Step 2: Convert to fraction form
    102,555.70/153,833.55 = 58,165.30/x
  3. Step 3: Cross multiply
    102,555.70x = 153,833.55 × 58,165.30
  4. Step 4: Simplify right side
    102,555.70x = 8,947,774,585.82
  5. Step 5: Solve for x
    x = 8,947,774,585.82/102,555.70
  6. Step 6: Final answer
    x = 87,247.95

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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.