Home / 160,544.70-221,341.61-138,124.51

Finding the Fourth Proportional to 160,544.70, 221,341.61 and 138,124.51

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Solution

The fourth proportional to 160,544.70, 221,341.61 and 138,124.51 is: 190,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,544.70 : 221,341.61 = 138,124.51 : x
  2. Step 2: Convert to fraction form
    160,544.70/221,341.61 = 138,124.51/x
  3. Step 3: Cross multiply
    160,544.70x = 221,341.61 × 138,124.51
  4. Step 4: Simplify right side
    160,544.70x = 30,572,701,215.82
  5. Step 5: Solve for x
    x = 30,572,701,215.82/160,544.70
  6. Step 6: Final answer
    x = 190,431.08

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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.