Home / 103,098.96-142,274.23-60,075.78

Finding the Fourth Proportional to 103,098.96, 142,274.23 and 60,075.78

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Solution

The fourth proportional to 103,098.96, 142,274.23 and 60,075.78 is: 82,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,098.96 : 142,274.23 = 60,075.78 : x
  2. Step 2: Convert to fraction form
    103,098.96/142,274.23 = 60,075.78/x
  3. Step 3: Cross multiply
    103,098.96x = 142,274.23 × 60,075.78
  4. Step 4: Simplify right side
    103,098.96x = 8,547,235,341.15
  5. Step 5: Solve for x
    x = 8,547,235,341.15/103,098.96
  6. Step 6: Final answer
    x = 82,903.22

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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.