Home / 152,430.29-210,343.25-84,440.91

Finding the Fourth Proportional to 152,430.29, 210,343.25 and 84,440.91

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Solution

The fourth proportional to 152,430.29, 210,343.25 and 84,440.91 is: 116,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,430.29 : 210,343.25 = 84,440.91 : x
  2. Step 2: Convert to fraction form
    152,430.29/210,343.25 = 84,440.91/x
  3. Step 3: Cross multiply
    152,430.29x = 210,343.25 × 84,440.91
  4. Step 4: Simplify right side
    152,430.29x = 17,761,575,020.15
  5. Step 5: Solve for x
    x = 17,761,575,020.15/152,430.29
  6. Step 6: Final answer
    x = 116,522.61

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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.