Home / 101,461.02-139,984.47-61,187.10

Finding the Fourth Proportional to 101,461.02, 139,984.47 and 61,187.10

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Solution

The fourth proportional to 101,461.02, 139,984.47 and 61,187.10 is: 84,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,461.02 : 139,984.47 = 61,187.10 : x
  2. Step 2: Convert to fraction form
    101,461.02/139,984.47 = 61,187.10/x
  3. Step 3: Cross multiply
    101,461.02x = 139,984.47 × 61,187.10
  4. Step 4: Simplify right side
    101,461.02x = 8,565,243,764.34
  5. Step 5: Solve for x
    x = 8,565,243,764.34/101,461.02
  6. Step 6: Final answer
    x = 84,419.06

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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.