Home / 180,618.06-249,250.29-100,045.32

Finding the Fourth Proportional to 180,618.06, 249,250.29 and 100,045.32

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Solution

The fourth proportional to 180,618.06, 249,250.29 and 100,045.32 is: 138,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,618.06 : 249,250.29 = 100,045.32 : x
  2. Step 2: Convert to fraction form
    180,618.06/249,250.29 = 100,045.32/x
  3. Step 3: Cross multiply
    180,618.06x = 249,250.29 × 100,045.32
  4. Step 4: Simplify right side
    180,618.06x = 24,936,325,023.14
  5. Step 5: Solve for x
    x = 24,936,325,023.14/180,618.06
  6. Step 6: Final answer
    x = 138,061.08

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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.