Home / 249,070.80-343,718.28-141,638.16

Finding the Fourth Proportional to 249,070.80, 343,718.28 and 141,638.16

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Solution

The fourth proportional to 249,070.80, 343,718.28 and 141,638.16 is: 195,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,070.80 : 343,718.28 = 141,638.16 : x
  2. Step 2: Convert to fraction form
    249,070.80/343,718.28 = 141,638.16/x
  3. Step 3: Cross multiply
    249,070.80x = 343,718.28 × 141,638.16
  4. Step 4: Simplify right side
    249,070.80x = 48,683,624,737.56
  5. Step 5: Solve for x
    x = 48,683,624,737.56/249,070.80
  6. Step 6: Final answer
    x = 195,460.99

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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.