Home / 127,802.32-176,368.40-70,443.68

Finding the Fourth Proportional to 127,802.32, 176,368.40 and 70,443.68

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Solution

The fourth proportional to 127,802.32, 176,368.40 and 70,443.68 is: 97,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,802.32 : 176,368.40 = 70,443.68 : x
  2. Step 2: Convert to fraction form
    127,802.32/176,368.40 = 70,443.68/x
  3. Step 3: Cross multiply
    127,802.32x = 176,368.40 × 70,443.68
  4. Step 4: Simplify right side
    127,802.32x = 12,424,039,131.71
  5. Step 5: Solve for x
    x = 12,424,039,131.71/127,802.32
  6. Step 6: Final answer
    x = 97,212.94

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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.