Home / 98,273.95-135,636.05-64,312.58

Finding the Fourth Proportional to 98,273.95, 135,636.05 and 64,312.58

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Solution

The fourth proportional to 98,273.95, 135,636.05 and 64,312.58 is: 88,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,273.95 : 135,636.05 = 64,312.58 : x
  2. Step 2: Convert to fraction form
    98,273.95/135,636.05 = 64,312.58/x
  3. Step 3: Cross multiply
    98,273.95x = 135,636.05 × 64,312.58
  4. Step 4: Simplify right side
    98,273.95x = 8,723,104,816.38
  5. Step 5: Solve for x
    x = 8,723,104,816.38/98,273.95
  6. Step 6: Final answer
    x = 88,763.15

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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.