Home / 169,709.28-234,172.80-98,075.49

Finding the Fourth Proportional to 169,709.28, 234,172.80 and 98,075.49

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Solution

The fourth proportional to 169,709.28, 234,172.80 and 98,075.49 is: 135,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,709.28 : 234,172.80 = 98,075.49 : x
  2. Step 2: Convert to fraction form
    169,709.28/234,172.80 = 98,075.49/x
  3. Step 3: Cross multiply
    169,709.28x = 234,172.80 × 98,075.49
  4. Step 4: Simplify right side
    169,709.28x = 22,966,612,104.67
  5. Step 5: Solve for x
    x = 22,966,612,104.67/169,709.28
  6. Step 6: Final answer
    x = 135,329.15

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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.