Home / 210,295.32-290,212.52-114,802.74

Finding the Fourth Proportional to 210,295.32, 290,212.52 and 114,802.74

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Solution

The fourth proportional to 210,295.32, 290,212.52 and 114,802.74 is: 158,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,295.32 : 290,212.52 = 114,802.74 : x
  2. Step 2: Convert to fraction form
    210,295.32/290,212.52 = 114,802.74/x
  3. Step 3: Cross multiply
    210,295.32x = 290,212.52 × 114,802.74
  4. Step 4: Simplify right side
    210,295.32x = 33,317,191,904.29
  5. Step 5: Solve for x
    x = 33,317,191,904.29/210,295.32
  6. Step 6: Final answer
    x = 158,430.50

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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.