Home / 152,719.93-210,746.22-84,736.12

Finding the Fourth Proportional to 152,719.93, 210,746.22 and 84,736.12

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Solution

The fourth proportional to 152,719.93, 210,746.22 and 84,736.12 is: 116,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,719.93 : 210,746.22 = 84,736.12 : x
  2. Step 2: Convert to fraction form
    152,719.93/210,746.22 = 84,736.12/x
  3. Step 3: Cross multiply
    152,719.93x = 210,746.22 × 84,736.12
  4. Step 4: Simplify right side
    152,719.93x = 17,857,816,987.47
  5. Step 5: Solve for x
    x = 17,857,816,987.47/152,719.93
  6. Step 6: Final answer
    x = 116,931.80

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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.