Home / 180,510.11-249,113.13-99,946.50

Finding the Fourth Proportional to 180,510.11, 249,113.13 and 99,946.50

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Solution

The fourth proportional to 180,510.11, 249,113.13 and 99,946.50 is: 137,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,510.11 : 249,113.13 = 99,946.50 : x
  2. Step 2: Convert to fraction form
    180,510.11/249,113.13 = 99,946.50/x
  3. Step 3: Cross multiply
    180,510.11x = 249,113.13 × 99,946.50
  4. Step 4: Simplify right side
    180,510.11x = 24,897,985,447.55
  5. Step 5: Solve for x
    x = 24,897,985,447.55/180,510.11
  6. Step 6: Final answer
    x = 137,931.25

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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.