Home / 108,875.19-150,243.88-61,130.55

Finding the Fourth Proportional to 108,875.19, 150,243.88 and 61,130.55

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Solution

The fourth proportional to 108,875.19, 150,243.88 and 61,130.55 is: 84,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875.19 : 150,243.88 = 61,130.55 : x
  2. Step 2: Convert to fraction form
    108,875.19/150,243.88 = 61,130.55/x
  3. Step 3: Cross multiply
    108,875.19x = 150,243.88 × 61,130.55
  4. Step 4: Simplify right side
    108,875.19x = 9,184,491,018.53
  5. Step 5: Solve for x
    x = 9,184,491,018.53/108,875.19
  6. Step 6: Final answer
    x = 84,357.98

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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.