Home / 103,637.76-155,458.47-37,125.63

Finding the Fourth Proportional to 103,637.76, 155,458.47 and 37,125.63

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Solution

The fourth proportional to 103,637.76, 155,458.47 and 37,125.63 is: 55,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.76 : 155,458.47 = 37,125.63 : x
  2. Step 2: Convert to fraction form
    103,637.76/155,458.47 = 37,125.63/x
  3. Step 3: Cross multiply
    103,637.76x = 155,458.47 × 37,125.63
  4. Step 4: Simplify right side
    103,637.76x = 5,771,493,637.59
  5. Step 5: Solve for x
    x = 5,771,493,637.59/103,637.76
  6. Step 6: Final answer
    x = 55,689.10

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1.5x scale

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.