Home / 146,210.12-219,325.98-128,800.52

Finding the Fourth Proportional to 146,210.12, 219,325.98 and 128,800.52

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Solution

The fourth proportional to 146,210.12, 219,325.98 and 128,800.52 is: 193,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,210.12 : 219,325.98 = 128,800.52 : x
  2. Step 2: Convert to fraction form
    146,210.12/219,325.98 = 128,800.52/x
  3. Step 3: Cross multiply
    146,210.12x = 219,325.98 × 128,800.52
  4. Step 4: Simplify right side
    146,210.12x = 28,249,300,273.51
  5. Step 5: Solve for x
    x = 28,249,300,273.51/146,210.12
  6. Step 6: Final answer
    x = 193,210.29

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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.