Home / 249,016.08-343,641.75-135,838.83

Finding the Fourth Proportional to 249,016.08, 343,641.75 and 135,838.83

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Solution

The fourth proportional to 249,016.08, 343,641.75 and 135,838.83 is: 187,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,016.08 : 343,641.75 = 135,838.83 : x
  2. Step 2: Convert to fraction form
    249,016.08/343,641.75 = 135,838.83/x
  3. Step 3: Cross multiply
    249,016.08x = 343,641.75 × 135,838.83
  4. Step 4: Simplify right side
    249,016.08x = 46,679,893,259.15
  5. Step 5: Solve for x
    x = 46,679,893,259.15/249,016.08
  6. Step 6: Final answer
    x = 187,457.35

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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.