Home / 249,387.75-344,155.10-136,210.77

Finding the Fourth Proportional to 249,387.75, 344,155.10 and 136,210.77

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Solution

The fourth proportional to 249,387.75, 344,155.10 and 136,210.77 is: 187,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,387.75 : 344,155.10 = 136,210.77 : x
  2. Step 2: Convert to fraction form
    249,387.75/344,155.10 = 136,210.77/x
  3. Step 3: Cross multiply
    249,387.75x = 344,155.10 × 136,210.77
  4. Step 4: Simplify right side
    249,387.75x = 46,877,630,489.37
  5. Step 5: Solve for x
    x = 46,877,630,489.37/249,387.75
  6. Step 6: Final answer
    x = 187,970.86

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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.