Home / 210,355.74-290,290.91-114,862.51

Finding the Fourth Proportional to 210,355.74, 290,290.91 and 114,862.51

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Solution

The fourth proportional to 210,355.74, 290,290.91 and 114,862.51 is: 158,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,355.74 : 290,290.91 = 114,862.51 : x
  2. Step 2: Convert to fraction form
    210,355.74/290,290.91 = 114,862.51/x
  3. Step 3: Cross multiply
    210,355.74x = 290,290.91 × 114,862.51
  4. Step 4: Simplify right side
    210,355.74x = 33,343,542,341.34
  5. Step 5: Solve for x
    x = 33,343,542,341.34/210,355.74
  6. Step 6: Final answer
    x = 158,510.26

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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.