Home / 249,085.80-343,746-141,671.30

Finding the Fourth Proportional to 249,085.80, 343,746 and 141,671.30

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Solution

The fourth proportional to 249,085.80, 343,746 and 141,671.30 is: 195,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,085.80 : 343,746 = 141,671.30 : x
  2. Step 2: Convert to fraction form
    249,085.80/343,746 = 141,671.30/x
  3. Step 3: Cross multiply
    249,085.80x = 343,746 × 141,671.30
  4. Step 4: Simplify right side
    249,085.80x = 48,698,942,689.80
  5. Step 5: Solve for x
    x = 48,698,942,689.80/249,085.80
  6. Step 6: Final answer
    x = 195,510.71

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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.