Home / 155,423.48-214,465.23-98,041.15

Finding the Fourth Proportional to 155,423.48, 214,465.23 and 98,041.15

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Solution

The fourth proportional to 155,423.48, 214,465.23 and 98,041.15 is: 135,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,423.48 : 214,465.23 = 98,041.15 : x
  2. Step 2: Convert to fraction form
    155,423.48/214,465.23 = 98,041.15/x
  3. Step 3: Cross multiply
    155,423.48x = 214,465.23 × 98,041.15
  4. Step 4: Simplify right side
    155,423.48x = 21,026,417,784.21
  5. Step 5: Solve for x
    x = 21,026,417,784.21/155,423.48
  6. Step 6: Final answer
    x = 135,284.69

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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.