Home / 153,962.52-212,449.41-85,983.18

Finding the Fourth Proportional to 153,962.52, 212,449.41 and 85,983.18

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Solution

The fourth proportional to 153,962.52, 212,449.41 and 85,983.18 is: 118,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,962.52 : 212,449.41 = 85,983.18 : x
  2. Step 2: Convert to fraction form
    153,962.52/212,449.41 = 85,983.18/x
  3. Step 3: Cross multiply
    153,962.52x = 212,449.41 × 85,983.18
  4. Step 4: Simplify right side
    153,962.52x = 18,267,075,860.92
  5. Step 5: Solve for x
    x = 18,267,075,860.92/153,962.52
  6. Step 6: Final answer
    x = 118,646.25

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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.