Home / 103,075.71-142,262.24-60,636.03

Finding the Fourth Proportional to 103,075.71, 142,262.24 and 60,636.03

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Solution

The fourth proportional to 103,075.71, 142,262.24 and 60,636.03 is: 83,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,075.71 : 142,262.24 = 60,636.03 : x
  2. Step 2: Convert to fraction form
    103,075.71/142,262.24 = 60,636.03/x
  3. Step 3: Cross multiply
    103,075.71x = 142,262.24 × 60,636.03
  4. Step 4: Simplify right side
    103,075.71x = 8,626,217,149.33
  5. Step 5: Solve for x
    x = 8,626,217,149.33/103,075.71
  6. Step 6: Final answer
    x = 83,688.17

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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.