Home / 249,925.71-344,888.89-142,530.31

Finding the Fourth Proportional to 249,925.71, 344,888.89 and 142,530.31

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Solution

The fourth proportional to 249,925.71, 344,888.89 and 142,530.31 is: 196,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,925.71 : 344,888.89 = 142,530.31 : x
  2. Step 2: Convert to fraction form
    249,925.71/344,888.89 = 142,530.31/x
  3. Step 3: Cross multiply
    249,925.71x = 344,888.89 × 142,530.31
  4. Step 4: Simplify right side
    249,925.71x = 49,157,120,407.26
  5. Step 5: Solve for x
    x = 49,157,120,407.26/249,925.71
  6. Step 6: Final answer
    x = 196,686.93

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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.