Home / 249,347.79-344,095.16-136,171.35

Finding the Fourth Proportional to 249,347.79, 344,095.16 and 136,171.35

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Solution

The fourth proportional to 249,347.79, 344,095.16 and 136,171.35 is: 187,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,347.79 : 344,095.16 = 136,171.35 : x
  2. Step 2: Convert to fraction form
    249,347.79/344,095.16 = 136,171.35/x
  3. Step 3: Cross multiply
    249,347.79x = 344,095.16 × 136,171.35
  4. Step 4: Simplify right side
    249,347.79x = 46,855,901,784.81
  5. Step 5: Solve for x
    x = 46,855,901,784.81/249,347.79
  6. Step 6: Final answer
    x = 187,913.84

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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.