Home / 133,070.94-199,641.06-66,508.38

Finding the Fourth Proportional to 133,070.94, 199,641.06 and 66,508.38

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Solution

The fourth proportional to 133,070.94, 199,641.06 and 66,508.38 is: 99,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.94 : 199,641.06 = 66,508.38 : x
  2. Step 2: Convert to fraction form
    133,070.94/199,641.06 = 66,508.38/x
  3. Step 3: Cross multiply
    133,070.94x = 199,641.06 × 66,508.38
  4. Step 4: Simplify right side
    133,070.94x = 13,277,803,482.08
  5. Step 5: Solve for x
    x = 13,277,803,482.08/133,070.94
  6. Step 6: Final answer
    x = 99,779.89

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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.