Home / 98,923.10-136,534.48-90,952.70

Finding the Fourth Proportional to 98,923.10, 136,534.48 and 90,952.70

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Solution

The fourth proportional to 98,923.10, 136,534.48 and 90,952.70 is: 125,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,923.10 : 136,534.48 = 90,952.70 : x
  2. Step 2: Convert to fraction form
    98,923.10/136,534.48 = 90,952.70/x
  3. Step 3: Cross multiply
    98,923.10x = 136,534.48 × 90,952.70
  4. Step 4: Simplify right side
    98,923.10x = 12,418,178,689.04
  5. Step 5: Solve for x
    x = 12,418,178,689.04/98,923.10
  6. Step 6: Final answer
    x = 125,533.67

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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.