Home / 160,430.72-221,297.31-103,050.51

Finding the Fourth Proportional to 160,430.72, 221,297.31 and 103,050.51

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Solution

The fourth proportional to 160,430.72, 221,297.31 and 103,050.51 is: 142,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,430.72 : 221,297.31 = 103,050.51 : x
  2. Step 2: Convert to fraction form
    160,430.72/221,297.31 = 103,050.51/x
  3. Step 3: Cross multiply
    160,430.72x = 221,297.31 × 103,050.51
  4. Step 4: Simplify right side
    160,430.72x = 22,804,800,657.13
  5. Step 5: Solve for x
    x = 22,804,800,657.13/160,430.72
  6. Step 6: Final answer
    x = 142,147.35

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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.