Home / 154,175.64-212,746.14-90,533.40

Finding the Fourth Proportional to 154,175.64, 212,746.14 and 90,533.40

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Solution

The fourth proportional to 154,175.64, 212,746.14 and 90,533.40 is: 124,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,175.64 : 212,746.14 = 90,533.40 : x
  2. Step 2: Convert to fraction form
    154,175.64/212,746.14 = 90,533.40/x
  3. Step 3: Cross multiply
    154,175.64x = 212,746.14 × 90,533.40
  4. Step 4: Simplify right side
    154,175.64x = 19,260,631,391.08
  5. Step 5: Solve for x
    x = 19,260,631,391.08/154,175.64
  6. Step 6: Final answer
    x = 124,926.55

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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.