Home / 249,455.16-374,219.76-91,671.30

Finding the Fourth Proportional to 249,455.16, 374,219.76 and 91,671.30

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Solution

The fourth proportional to 249,455.16, 374,219.76 and 91,671.30 is: 137,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,455.16 : 374,219.76 = 91,671.30 : x
  2. Step 2: Convert to fraction form
    249,455.16/374,219.76 = 91,671.30/x
  3. Step 3: Cross multiply
    249,455.16x = 374,219.76 × 91,671.30
  4. Step 4: Simplify right side
    249,455.16x = 34,305,211,884.89
  5. Step 5: Solve for x
    x = 34,305,211,884.89/249,455.16
  6. Step 6: Final answer
    x = 137,520.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.