Home / 99,242.23-148,863.12-43,075.06

Finding the Fourth Proportional to 99,242.23, 148,863.12 and 43,075.06

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Solution

The fourth proportional to 99,242.23, 148,863.12 and 43,075.06 is: 64,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,242.23 : 148,863.12 = 43,075.06 : x
  2. Step 2: Convert to fraction form
    99,242.23/148,863.12 = 43,075.06/x
  3. Step 3: Cross multiply
    99,242.23x = 148,863.12 × 43,075.06
  4. Step 4: Simplify right side
    99,242.23x = 6,412,287,292.10
  5. Step 5: Solve for x
    x = 6,412,287,292.10/99,242.23
  6. Step 6: Final answer
    x = 64,612.49

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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.