Home / 102,947.80-142,069.41-59,316.24

Finding the Fourth Proportional to 102,947.80, 142,069.41 and 59,316.24

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Solution

The fourth proportional to 102,947.80, 142,069.41 and 59,316.24 is: 81,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,947.80 : 142,069.41 = 59,316.24 : x
  2. Step 2: Convert to fraction form
    102,947.80/142,069.41 = 59,316.24/x
  3. Step 3: Cross multiply
    102,947.80x = 142,069.41 × 59,316.24
  4. Step 4: Simplify right side
    102,947.80x = 8,427,023,220.22
  5. Step 5: Solve for x
    x = 8,427,023,220.22/102,947.80
  6. Step 6: Final answer
    x = 81,857.24

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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.