Home / 102,359.93-141,257.63-56,417.05

Finding the Fourth Proportional to 102,359.93, 141,257.63 and 56,417.05

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Solution

The fourth proportional to 102,359.93, 141,257.63 and 56,417.05 is: 77,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,359.93 : 141,257.63 = 56,417.05 : x
  2. Step 2: Convert to fraction form
    102,359.93/141,257.63 = 56,417.05/x
  3. Step 3: Cross multiply
    102,359.93x = 141,257.63 × 56,417.05
  4. Step 4: Simplify right side
    102,359.93x = 7,969,338,774.59
  5. Step 5: Solve for x
    x = 7,969,338,774.59/102,359.93
  6. Step 6: Final answer
    x = 77,856.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.