Home / 124,282.13-186,075.83-67,151.39

Finding the Fourth Proportional to 124,282.13, 186,075.83 and 67,151.39

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Solution

The fourth proportional to 124,282.13, 186,075.83 and 67,151.39 is: 100,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,282.13 : 186,075.83 = 67,151.39 : x
  2. Step 2: Convert to fraction form
    124,282.13/186,075.83 = 67,151.39/x
  3. Step 3: Cross multiply
    124,282.13x = 186,075.83 × 67,151.39
  4. Step 4: Simplify right side
    124,282.13x = 12,495,249,867.40
  5. Step 5: Solve for x
    x = 12,495,249,867.40/124,282.13
  6. Step 6: Final answer
    x = 100,539.40

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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.