Home / 152,746.46-210,776.14-90,646.25

Finding the Fourth Proportional to 152,746.46, 210,776.14 and 90,646.25

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Solution

The fourth proportional to 152,746.46, 210,776.14 and 90,646.25 is: 125,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,746.46 : 210,776.14 = 90,646.25 : x
  2. Step 2: Convert to fraction form
    152,746.46/210,776.14 = 90,646.25/x
  3. Step 3: Cross multiply
    152,746.46x = 210,776.14 × 90,646.25
  4. Step 4: Simplify right side
    152,746.46x = 19,106,066,980.80
  5. Step 5: Solve for x
    x = 19,106,066,980.80/152,746.46
  6. Step 6: Final answer
    x = 125,083.54

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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.