Home / 154,410.12-213,095.70-89,880.84

Finding the Fourth Proportional to 154,410.12, 213,095.70 and 89,880.84

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Solution

The fourth proportional to 154,410.12, 213,095.70 and 89,880.84 is: 124,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,410.12 : 213,095.70 = 89,880.84 : x
  2. Step 2: Convert to fraction form
    154,410.12/213,095.70 = 89,880.84/x
  3. Step 3: Cross multiply
    154,410.12x = 213,095.70 × 89,880.84
  4. Step 4: Simplify right side
    154,410.12x = 19,153,220,516.39
  5. Step 5: Solve for x
    x = 19,153,220,516.39/154,410.12
  6. Step 6: Final answer
    x = 124,041.23

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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.