Home / 249,503.20-344,314.95-142,073.32

Finding the Fourth Proportional to 249,503.20, 344,314.95 and 142,073.32

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Solution

The fourth proportional to 249,503.20, 344,314.95 and 142,073.32 is: 196,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,503.20 : 344,314.95 = 142,073.32 : x
  2. Step 2: Convert to fraction form
    249,503.20/344,314.95 = 142,073.32/x
  3. Step 3: Cross multiply
    249,503.20x = 344,314.95 × 142,073.32
  4. Step 4: Simplify right side
    249,503.20x = 48,917,968,072.13
  5. Step 5: Solve for x
    x = 48,917,968,072.13/249,503.20
  6. Step 6: Final answer
    x = 196,061.49

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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.