Home / 154,008.96-212,417.28-103,698.24

Finding the Fourth Proportional to 154,008.96, 212,417.28 and 103,698.24

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Solution

The fourth proportional to 154,008.96, 212,417.28 and 103,698.24 is: 143,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,008.96 : 212,417.28 = 103,698.24 : x
  2. Step 2: Convert to fraction form
    154,008.96/212,417.28 = 103,698.24/x
  3. Step 3: Cross multiply
    154,008.96x = 212,417.28 × 103,698.24
  4. Step 4: Simplify right side
    154,008.96x = 22,027,298,081.59
  5. Step 5: Solve for x
    x = 22,027,298,081.59/154,008.96
  6. Step 6: Final answer
    x = 143,026.08

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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.