Home / 134,307.47-185,340.41-73,878.10

Finding the Fourth Proportional to 134,307.47, 185,340.41 and 73,878.10

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Solution

The fourth proportional to 134,307.47, 185,340.41 and 73,878.10 is: 101,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,307.47 : 185,340.41 = 73,878.10 : x
  2. Step 2: Convert to fraction form
    134,307.47/185,340.41 = 73,878.10/x
  3. Step 3: Cross multiply
    134,307.47x = 185,340.41 × 73,878.10
  4. Step 4: Simplify right side
    134,307.47x = 13,692,596,047.93
  5. Step 5: Solve for x
    x = 13,692,596,047.93/134,307.47
  6. Step 6: Final answer
    x = 101,949.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.