Home / 286,742.10-429,521.85-168,053.70

Finding the Fourth Proportional to 286,742.10, 429,521.85 and 168,053.70

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Solution

The fourth proportional to 286,742.10, 429,521.85 and 168,053.70 is: 251,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,742.10 : 429,521.85 = 168,053.70 : x
  2. Step 2: Convert to fraction form
    286,742.10/429,521.85 = 168,053.70/x
  3. Step 3: Cross multiply
    286,742.10x = 429,521.85 × 168,053.70
  4. Step 4: Simplify right side
    286,742.10x = 72,182,736,123.35
  5. Step 5: Solve for x
    x = 72,182,736,123.35/286,742.10
  6. Step 6: Final answer
    x = 251,734.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.