Home / 170,345.23-255,547.81-70,449.45

Finding the Fourth Proportional to 170,345.23, 255,547.81 and 70,449.45

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Solution

The fourth proportional to 170,345.23, 255,547.81 and 70,449.45 is: 105,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,345.23 : 255,547.81 = 70,449.45 : x
  2. Step 2: Convert to fraction form
    170,345.23/255,547.81 = 70,449.45/x
  3. Step 3: Cross multiply
    170,345.23x = 255,547.81 × 70,449.45
  4. Step 4: Simplify right side
    170,345.23x = 18,003,201,792.96
  5. Step 5: Solve for x
    x = 18,003,201,792.96/170,345.23
  6. Step 6: Final answer
    x = 105,686.56

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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.