Home / 103,534.98-142,887.39-61,085.22

Finding the Fourth Proportional to 103,534.98, 142,887.39 and 61,085.22

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Solution

The fourth proportional to 103,534.98, 142,887.39 and 61,085.22 is: 84,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,534.98 : 142,887.39 = 61,085.22 : x
  2. Step 2: Convert to fraction form
    103,534.98/142,887.39 = 61,085.22/x
  3. Step 3: Cross multiply
    103,534.98x = 142,887.39 × 61,085.22
  4. Step 4: Simplify right side
    103,534.98x = 8,728,307,653.38
  5. Step 5: Solve for x
    x = 8,728,307,653.38/103,534.98
  6. Step 6: Final answer
    x = 84,302.98

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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.