Home / 102,300.35-141,135.35-64,044.05

Finding the Fourth Proportional to 102,300.35, 141,135.35 and 64,044.05

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Solution

The fourth proportional to 102,300.35, 141,135.35 and 64,044.05 is: 88,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,300.35 : 141,135.35 = 64,044.05 : x
  2. Step 2: Convert to fraction form
    102,300.35/141,135.35 = 64,044.05/x
  3. Step 3: Cross multiply
    102,300.35x = 141,135.35 × 64,044.05
  4. Step 4: Simplify right side
    102,300.35x = 9,038,878,386.27
  5. Step 5: Solve for x
    x = 9,038,878,386.27/102,300.35
  6. Step 6: Final answer
    x = 88,356.28

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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.