Home / 124,054.47-186,175.80-90,860.67

Finding the Fourth Proportional to 124,054.47, 186,175.80 and 90,860.67

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Solution

The fourth proportional to 124,054.47, 186,175.80 and 90,860.67 is: 136,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,054.47 : 186,175.80 = 90,860.67 : x
  2. Step 2: Convert to fraction form
    124,054.47/186,175.80 = 90,860.67/x
  3. Step 3: Cross multiply
    124,054.47x = 186,175.80 × 90,860.67
  4. Step 4: Simplify right side
    124,054.47x = 16,916,057,925.79
  5. Step 5: Solve for x
    x = 16,916,057,925.79/124,054.47
  6. Step 6: Final answer
    x = 136,359.92

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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.