Home / 134,641.10-185,808.48-77,285.36

Finding the Fourth Proportional to 134,641.10, 185,808.48 and 77,285.36

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Solution

The fourth proportional to 134,641.10, 185,808.48 and 77,285.36 is: 106,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,641.10 : 185,808.48 = 77,285.36 : x
  2. Step 2: Convert to fraction form
    134,641.10/185,808.48 = 77,285.36/x
  3. Step 3: Cross multiply
    134,641.10x = 185,808.48 × 77,285.36
  4. Step 4: Simplify right side
    134,641.10x = 14,360,275,267.85
  5. Step 5: Solve for x
    x = 14,360,275,267.85/134,641.10
  6. Step 6: Final answer
    x = 106,655.96

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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.