Home / 180,909.12-249,600.96-105,444.48

Finding the Fourth Proportional to 180,909.12, 249,600.96 and 105,444.48

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Solution

The fourth proportional to 180,909.12, 249,600.96 and 105,444.48 is: 145,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,909.12 : 249,600.96 = 105,444.48 : x
  2. Step 2: Convert to fraction form
    180,909.12/249,600.96 = 105,444.48/x
  3. Step 3: Cross multiply
    180,909.12x = 249,600.96 × 105,444.48
  4. Step 4: Simplify right side
    180,909.12x = 26,319,043,434.70
  5. Step 5: Solve for x
    x = 26,319,043,434.70/180,909.12
  6. Step 6: Final answer
    x = 145,482.13

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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.