Home / 159,473.07-220,075.65-87,852.60

Finding the Fourth Proportional to 159,473.07, 220,075.65 and 87,852.60

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Solution

The fourth proportional to 159,473.07, 220,075.65 and 87,852.60 is: 121,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,473.07 : 220,075.65 = 87,852.60 : x
  2. Step 2: Convert to fraction form
    159,473.07/220,075.65 = 87,852.60/x
  3. Step 3: Cross multiply
    159,473.07x = 220,075.65 × 87,852.60
  4. Step 4: Simplify right side
    159,473.07x = 19,334,218,049.19
  5. Step 5: Solve for x
    x = 19,334,218,049.19/159,473.07
  6. Step 6: Final answer
    x = 121,238.14

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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.