Home / 135,730.95-203,569.71-45,764.91

Finding the Fourth Proportional to 135,730.95, 203,569.71 and 45,764.91

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Solution

The fourth proportional to 135,730.95, 203,569.71 and 45,764.91 is: 68,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,730.95 : 203,569.71 = 45,764.91 : x
  2. Step 2: Convert to fraction form
    135,730.95/203,569.71 = 45,764.91/x
  3. Step 3: Cross multiply
    135,730.95x = 203,569.71 × 45,764.91
  4. Step 4: Simplify right side
    135,730.95x = 9,316,349,456.88
  5. Step 5: Solve for x
    x = 9,316,349,456.88/135,730.95
  6. Step 6: Final answer
    x = 68,638.36

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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.