Home / 101,987.60-152,922-39,585.20

Finding the Fourth Proportional to 101,987.60, 152,922 and 39,585.20

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Solution

The fourth proportional to 101,987.60, 152,922 and 39,585.20 is: 59,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,987.60 : 152,922 = 39,585.20 : x
  2. Step 2: Convert to fraction form
    101,987.60/152,922 = 39,585.20/x
  3. Step 3: Cross multiply
    101,987.60x = 152,922 × 39,585.20
  4. Step 4: Simplify right side
    101,987.60x = 6,053,447,954.40
  5. Step 5: Solve for x
    x = 6,053,447,954.40/101,987.60
  6. Step 6: Final answer
    x = 59,354.74

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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.