Home / 97,288.04-134,247.66-71,808.32

Finding the Fourth Proportional to 97,288.04, 134,247.66 and 71,808.32

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Solution

The fourth proportional to 97,288.04, 134,247.66 and 71,808.32 is: 99,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,288.04 : 134,247.66 = 71,808.32 : x
  2. Step 2: Convert to fraction form
    97,288.04/134,247.66 = 71,808.32/x
  3. Step 3: Cross multiply
    97,288.04x = 134,247.66 × 71,808.32
  4. Step 4: Simplify right side
    97,288.04x = 9,640,098,928.53
  5. Step 5: Solve for x
    x = 9,640,098,928.53/97,288.04
  6. Step 6: Final answer
    x = 99,088.22

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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.