Home / 286,180.76-429,271.13-99,192.26

Finding the Fourth Proportional to 286,180.76, 429,271.13 and 99,192.26

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Solution

The fourth proportional to 286,180.76, 429,271.13 and 99,192.26 is: 148,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,180.76 : 429,271.13 = 99,192.26 : x
  2. Step 2: Convert to fraction form
    286,180.76/429,271.13 = 99,192.26/x
  3. Step 3: Cross multiply
    286,180.76x = 429,271.13 × 99,192.26
  4. Step 4: Simplify right side
    286,180.76x = 42,580,371,639.08
  5. Step 5: Solve for x
    x = 42,580,371,639.08/286,180.76
  6. Step 6: Final answer
    x = 148,788.38

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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.