Home / 141,355.02-195,070.35-77,699.34

Finding the Fourth Proportional to 141,355.02, 195,070.35 and 77,699.34

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Solution

The fourth proportional to 141,355.02, 195,070.35 and 77,699.34 is: 107,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,355.02 : 195,070.35 = 77,699.34 : x
  2. Step 2: Convert to fraction form
    141,355.02/195,070.35 = 77,699.34/x
  3. Step 3: Cross multiply
    141,355.02x = 195,070.35 × 77,699.34
  4. Step 4: Simplify right side
    141,355.02x = 15,156,837,448.57
  5. Step 5: Solve for x
    x = 15,156,837,448.57/141,355.02
  6. Step 6: Final answer
    x = 107,225.32

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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.