Home / 249,890.04-374,834.74-81,410.10

Finding the Fourth Proportional to 249,890.04, 374,834.74 and 81,410.10

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Solution

The fourth proportional to 249,890.04, 374,834.74 and 81,410.10 is: 122,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,890.04 : 374,834.74 = 81,410.10 : x
  2. Step 2: Convert to fraction form
    249,890.04/374,834.74 = 81,410.10/x
  3. Step 3: Cross multiply
    249,890.04x = 374,834.74 × 81,410.10
  4. Step 4: Simplify right side
    249,890.04x = 30,515,333,666.87
  5. Step 5: Solve for x
    x = 30,515,333,666.87/249,890.04
  6. Step 6: Final answer
    x = 122,115.05

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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.