Home / 134,017.02-184,943.75-77,428.44

Finding the Fourth Proportional to 134,017.02, 184,943.75 and 77,428.44

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Solution

The fourth proportional to 134,017.02, 184,943.75 and 77,428.44 is: 106,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,017.02 : 184,943.75 = 77,428.44 : x
  2. Step 2: Convert to fraction form
    134,017.02/184,943.75 = 77,428.44/x
  3. Step 3: Cross multiply
    134,017.02x = 184,943.75 × 77,428.44
  4. Step 4: Simplify right side
    134,017.02x = 14,319,905,663.11
  5. Step 5: Solve for x
    x = 14,319,905,663.11/134,017.02
  6. Step 6: Final answer
    x = 106,851.40

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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.