Home / 142,880.05-214,276.32-98,790.13

Finding the Fourth Proportional to 142,880.05, 214,276.32 and 98,790.13

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Solution

The fourth proportional to 142,880.05, 214,276.32 and 98,790.13 is: 148,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,880.05 : 214,276.32 = 98,790.13 : x
  2. Step 2: Convert to fraction form
    142,880.05/214,276.32 = 98,790.13/x
  3. Step 3: Cross multiply
    142,880.05x = 214,276.32 × 98,790.13
  4. Step 4: Simplify right side
    142,880.05x = 21,168,385,508.72
  5. Step 5: Solve for x
    x = 21,168,385,508.72/142,880.05
  6. Step 6: Final answer
    x = 148,154.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.