Home / 154,017.51-212,539.24-89,492.14

Finding the Fourth Proportional to 154,017.51, 212,539.24 and 89,492.14

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Solution

The fourth proportional to 154,017.51, 212,539.24 and 89,492.14 is: 123,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,017.51 : 212,539.24 = 89,492.14 : x
  2. Step 2: Convert to fraction form
    154,017.51/212,539.24 = 89,492.14/x
  3. Step 3: Cross multiply
    154,017.51x = 212,539.24 × 89,492.14
  4. Step 4: Simplify right side
    154,017.51x = 19,020,590,358.88
  5. Step 5: Solve for x
    x = 19,020,590,358.88/154,017.51
  6. Step 6: Final answer
    x = 123,496.29

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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.