Home / 146,021.40-219,032.10-101,698.20

Finding the Fourth Proportional to 146,021.40, 219,032.10 and 101,698.20

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Solution

The fourth proportional to 146,021.40, 219,032.10 and 101,698.20 is: 152,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,021.40 : 219,032.10 = 101,698.20 : x
  2. Step 2: Convert to fraction form
    146,021.40/219,032.10 = 101,698.20/x
  3. Step 3: Cross multiply
    146,021.40x = 219,032.10 × 101,698.20
  4. Step 4: Simplify right side
    146,021.40x = 22,275,170,312.22
  5. Step 5: Solve for x
    x = 22,275,170,312.22/146,021.40
  6. Step 6: Final answer
    x = 152,547.30

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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.