Home / 210,581.32-290,602.74-115,089.16

Finding the Fourth Proportional to 210,581.32, 290,602.74 and 115,089.16

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Solution

The fourth proportional to 210,581.32, 290,602.74 and 115,089.16 is: 158,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,581.32 : 290,602.74 = 115,089.16 : x
  2. Step 2: Convert to fraction form
    210,581.32/290,602.74 = 115,089.16/x
  3. Step 3: Cross multiply
    210,581.32x = 290,602.74 × 115,089.16
  4. Step 4: Simplify right side
    210,581.32x = 33,445,225,240.30
  5. Step 5: Solve for x
    x = 33,445,225,240.30/210,581.32
  6. Step 6: Final answer
    x = 158,823.32

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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.