Home / 152,712.06-210,735.50-84,728.32

Finding the Fourth Proportional to 152,712.06, 210,735.50 and 84,728.32

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Solution

The fourth proportional to 152,712.06, 210,735.50 and 84,728.32 is: 116,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,712.06 : 210,735.50 = 84,728.32 : x
  2. Step 2: Convert to fraction form
    152,712.06/210,735.50 = 84,728.32/x
  3. Step 3: Cross multiply
    152,712.06x = 210,735.50 × 84,728.32
  4. Step 4: Simplify right side
    152,712.06x = 17,855,264,879.36
  5. Step 5: Solve for x
    x = 17,855,264,879.36/152,712.06
  6. Step 6: Final answer
    x = 116,921.12

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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.