Home / 166,419.84-229,510.08-109,888.32

Finding the Fourth Proportional to 166,419.84, 229,510.08 and 109,888.32

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Solution

The fourth proportional to 166,419.84, 229,510.08 and 109,888.32 is: 151,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,419.84 : 229,510.08 = 109,888.32 : x
  2. Step 2: Convert to fraction form
    166,419.84/229,510.08 = 109,888.32/x
  3. Step 3: Cross multiply
    166,419.84x = 229,510.08 × 109,888.32
  4. Step 4: Simplify right side
    166,419.84x = 25,220,477,114.27
  5. Step 5: Solve for x
    x = 25,220,477,114.27/166,419.84
  6. Step 6: Final answer
    x = 151,547.30

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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.