Home / 249,499.31-344,312.34-142,069.77

Finding the Fourth Proportional to 249,499.31, 344,312.34 and 142,069.77

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Solution

The fourth proportional to 249,499.31, 344,312.34 and 142,069.77 is: 196,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,499.31 : 344,312.34 = 142,069.77 : x
  2. Step 2: Convert to fraction form
    249,499.31/344,312.34 = 142,069.77/x
  3. Step 3: Cross multiply
    249,499.31x = 344,312.34 × 142,069.77
  4. Step 4: Simplify right side
    249,499.31x = 48,916,374,241.61
  5. Step 5: Solve for x
    x = 48,916,374,241.61/249,499.31
  6. Step 6: Final answer
    x = 196,058.15

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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.