Home / 96,895.95-145,623.67-90,168.80

Finding the Fourth Proportional to 96,895.95, 145,623.67 and 90,168.80

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Solution

The fourth proportional to 96,895.95, 145,623.67 and 90,168.80 is: 135,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,895.95 : 145,623.67 = 90,168.80 : x
  2. Step 2: Convert to fraction form
    96,895.95/145,623.67 = 90,168.80/x
  3. Step 3: Cross multiply
    96,895.95x = 145,623.67 × 90,168.80
  4. Step 4: Simplify right side
    96,895.95x = 13,130,711,129.16
  5. Step 5: Solve for x
    x = 13,130,711,129.16/96,895.95
  6. Step 6: Final answer
    x = 135,513.52

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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.