Home / 119,595.80-165,037.56-71,875.40

Finding the Fourth Proportional to 119,595.80, 165,037.56 and 71,875.40

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Solution

The fourth proportional to 119,595.80, 165,037.56 and 71,875.40 is: 99,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,595.80 : 165,037.56 = 71,875.40 : x
  2. Step 2: Convert to fraction form
    119,595.80/165,037.56 = 71,875.40/x
  3. Step 3: Cross multiply
    119,595.80x = 165,037.56 × 71,875.40
  4. Step 4: Simplify right side
    119,595.80x = 11,862,140,640.02
  5. Step 5: Solve for x
    x = 11,862,140,640.02/119,595.80
  6. Step 6: Final answer
    x = 99,185.26

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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.